Ventilator



May 30, 1933.

K. G. DQRNER VENTILATOR Filed May 20, 1952 INVENTOR BY (a ar/140%..

ATTORNEYQ Patented May 30, 1933 1 onrrso STATES PATENT ores KARL G. DORNER, OF PITTSBURGH, PENNSYLVANIA VENTILATOB.

Application filed May 20, 1932. Serial No. 612,591.

The invention relates to a ventilator and 1 Figure 6 is a perspective view of another more particularly to window ventilators. part of the frame of the ventilator.

- lhe primary object of the invention is the v Flgure 7 1s a plan view showing the blank provision of a ventilator of this character, from WlllCll one part of the frame of the ven- 9 wherein its construction permits its arrangetllator is made. 7 55 ment within windows of railways cars, street Similar reference characters indicate corcars, busses, buildings and in fact any openresponding parts throughout the several ing for ventilating purposes, and W111 el1m1- vlews 1n the drawing. i nate direct draft therethrough as well as as- Referring to the drawing in detail, A

19 sure perfect ventilation free from dust, dirt, designates generally a window frame which 60 smoke or other foreign matter, as for exammay beef any standard construction and 1s ple, soot, cinders or the like. 1n assoclatlon wlth rolhng'stock or bulldings',

Another object of the invention is the prothe wlndow frame being fitted at opposlte vision of a ventilator of this character wherevertical sides with guides 10 for accommo- 5 in the same in its mounting permits the rais dation of the ventilator constituting the pres-- ing and lowering thereof or its removal with ent invention and hereinafter fully described. dispatch and also will function to draw out The ventilator comprises a pair of spaced foul air from the inside of an inclosure to vertical side pieces 11, each forming achannel assure thorough ventilation thereto and to re- 12 at its outer side and the upper and lower lieve the ingress of foreign matter, as well as top and bottom cross rails 13 and 14: 'respec- 70 protection against inclement weather or the tively, each formed from a single blank of elements thereof. sheet material folded on itself longitudinally A further object of the invention is the proto provide the webs 15 and 16 respectively vision of a ventilator of this character which and the flanges 17 so that on the bending of is extremely simple in construction, thorthe blank it will effect a hollow rail having 75 oughly reliable and efficient in its purpose, at opposite ends upwardly bent tongues 18 neat and attractive in appearance, strong, to overlap the slde pieces 11 andthese tongues durable, and inexpensive to manufacture and 18 are m fiq y l 1 hus i u producing a unitary rigid frame structure w these d th bj t i View, th for the ventilator. Each web 16 1s cut into invention consists in the features of constructo Provlde dlagonauy ChSPOSEEd Spaced P tion, combination and arrangement of parts 161 Slots 20 foraiccommochtmg the louvres as will be hereinafter more fully described Panels 21 Wmch g f Vertlcang M in detail, illustrated in the accompanying betweenthe P bottom fal1s 13 and f 85 drawing which discloses the preferred and have thelr ends lnserted therein through b Z of the ention Ointed out the slots 20,1t being preferable to haveafiller 0C lmen 1 V 1 p 22 for the top and bottom railsso as to hold m the chums hereunito appenf the louvres or panels 21 fixed. :It is preferthe mompanymgflmimgfl able to construct the louvres or panels 22 40 Figure 1 1s a perspective vlew of a window from glass although they may be made from 90 showing the ventilator constructed 1n accordany other material and likewise the venance' Wlth h lnvenllon PP j tilator in its entirety can be constructed of Figure 2 1s a sectional view on the hue 2-2 any d i bl t i p of Figure 1. In the fitting of the ventilator in the win- Figure 3 is a sectlonal view on the line 8-3 down frame A the side pieces 11 have the 95 of Figure 2. channels or grooves 12 therein confronting Figure 4: is a fragmentary vertical longituthe guides 10 for the interfitting thereof and dinal sectional view through the ventilator. thus it will be apparent that the ventilator Figure 5 is a perspective view of one part can be raised and lowered in the window of the frame of the ventilator. frame A.

bottom rails,

The louvres 0r panels 21 by reason of the relationship of the slots 20 in the top and bottom rails 13 and 14, they being slightly in overlapped relationship, likewise overlap such louvres or panels, these being equally spaced apart for ventilating purposes. It will be obvious that weather. elements cannot enter through the ventilator from without to within an inclosure through the window frame A and thorough vventilation will be had and the elimination of the ingress of'cin-' ders, dirt, soot or other What is claimed is 1. A ventilator of the character described comprising channeled side pieces, top and I each formed from a blank of material folded on itself to provide websand flanges constituting a hollowrail, tongues at the ends of said rails joined with the side pieces, said rails having the innermostweb diagonally slotted, the slots being disposed in overlapping spaced parallel relation to foreign matter.-

each other, andpanels fitted in the slots be tween the'top and bottom rails.

2. A ventilator of the character described comprising channeled side; pieces, top and bottom rails, each formed from 'ablank of material folded on itself toorovide Webs and flanges constituting a hollow rail, tongues at the ends of said rails joined with the side pieces, said rails having the innermost web diagonally slotted, the slots being disposed 1n overlapping spaced parallel relation'to each other, transparent panels fitted in the slots between the top and bottom rails, and guides fitted in the side pieces for'the'slidable mounting of said side pieces thereon.

3. A ventilator of the character described comprising channeled side pieces, topand bottom rails, each formed from a blank of material folded on itself to provide webs and flanges constituting a hollow 'rai'l, tongues at the ends of said rails joined withthe side pieces, said rails having the innermost web diagonally slotted, the slots being disposed in overlapping spaced parallel relation to each other, transparent panels fitted in the slots between the top and bottom rails, guides fitted in the side pieces for the slidable mounting of said side pieces thereon, and fillers within the top and bottom rails to fix the panels thereto.

In testimony whereof I affix my signature.

KARL G. DORNER; 

